---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15993 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 842 5069 4 2319 7099 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:83:f5:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84209sec preferred_lft 84209sec inet6 fe80::f816:3eff:fe83:f50b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15993) 05/17/26 _x86_64_ (2 CPU) 02:57:50 LINUX RESTART (2 CPU) 03:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 11.52 1.60 8.58 1.34 147.71 1294.09 336.16 03:20:17 1.39 0.01 1.36 0.02 1.09 136.44 0.71 03:30:17 1.42 0.00 1.39 0.02 0.00 45.32 0.43 Average: 4.66 0.52 3.70 0.44 47.89 478.39 108.53 03:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5229124 7363176 408756 5.03 84076 2214488 908240 9.89 625852 1975340 2648 03:20:17 5203940 7375072 396196 4.87 84240 2250876 716024 7.80 623768 2011588 1616 03:30:17 5189076 7369096 401988 4.94 84416 2259416 690384 7.52 622676 2020332 1800 Average: 5207380 7369115 402313 4.95 84244 2241593 771549 8.40 624099 2002420 2021 03:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:01 ens3 71.64 53.12 60.78 12.20 0.00 0.00 0.00 0.00 03:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:17 ens3 57.68 56.48 29.19 5.56 0.00 0.00 0.00 0.00 03:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:17 ens3 27.05 25.16 8.70 2.95 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 51.93 44.92 32.50 6.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15993) 05/17/26 _x86_64_ (2 CPU) 02:57:50 LINUX RESTART (2 CPU) 03:00:24 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 9.44 0.00 1.18 0.25 0.06 89.07 03:10:01 0 10.86 0.00 1.26 0.15 0.06 87.67 03:10:01 1 8.02 0.00 1.10 0.34 0.06 90.47 03:20:17 all 6.75 0.00 0.86 0.01 0.08 92.30 03:20:17 0 8.52 0.00 0.90 0.01 0.09 90.48 03:20:17 1 4.99 0.00 0.81 0.01 0.07 94.11 03:30:17 all 4.86 0.00 0.53 0.01 0.08 94.52 03:30:17 0 4.40 0.00 0.55 0.01 0.07 94.97 03:30:17 1 5.33 0.00 0.51 0.01 0.08 94.07 Average: all 6.99 0.00 0.85 0.09 0.07 92.00 Average: 0 7.89 0.00 0.90 0.05 0.07 91.08 Average: 1 6.08 0.00 0.80 0.12 0.07 92.92